Fasten the Rail to the Motor Unit

ASSEMBLY STEP 2

•Insert a 1/4"-20x1-3/4 bolt into the cover protection bolt hole on the back end of the rail as shown. Tighten securely with a 1/4"-20 lock nut. Do NOT overtighten.

•Remove the two bolts from the top of the motor unit.

•Place the “U” bracket, flat side down onto the motor unit and align the bracket hole with the bolt holes. Fasten with the previously removed bolts.

•Align the rail assembly with the top of the motor unit. Slide the rail end onto the “U” bracket, all the way to the stops that protrude on the top and sides of the bracket.

•Attach spreader to the motor unit with two screws.

HARDWARE SHOWN ACTUAL SIZE

CAUTION

To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener.

Hex Screws 8-32x7/16"

	Chain
Bolts	Spreader
Bolts
	Motor Unit
"U" Bracket	Sprocket
"U" Bracket

Bolt

Cover

Protection

Bolt Hole

	Lock Nut
Bolt 1/4"-20x1-3/4"	1/4"-20

ASSEMBLY STEP 3

Install the Idler Pulley

• Lay the chain/cable beside the rail, as shown.

Grasp the end of the cable and pass

approximately 12" (30 cm) of cable through the

window. Allow it to hang until Assembly Step 5.

Lock Nut

Chain and Cable

SLIDE RAIL TO STOPS ON TOP AND SIDES OF BRACKET

Bolt

Pulley Rail

Nut

Washer

•	Remove the tape from the idler pulley. The inside
	center should be pre-greased. If dry, regrease to
	ensure proper operation.
•	Place the idler pulley into the window as shown.
•	Insert the idler bolt from the top through the rail
	and pulley. Tighten with a 3/8" lock washer and nut
	underneath the rail until the lock washer is
	compressed.
•	Rotate the pulley to be sure it spins freely.
•	Insert a 1/4"-20x1-3/4 bolt into the trolley stop hole
	in the front of the rail as shown. Tighten securely
	with a 1/4"-20 lock nut.

Idler	Screwdriver Trolley
Bolt

Bolt

Trolley

Stop Hole

	Grease
	Inside Pulley
Lock	Idler
Washer	Pulley
3/8"	Nut 3/8"
	Nut 3/8"
	Cable Link

Lock

Idler Nut

Pulley

HARDWARE SHOWN ACTUAL SIZE

Idler Bolt

Bolt 1/4"-20x1-3/4"

Lock Nut 1/4"-20

Nut 3/8"

Lock Washer 3/8"

139.18595 specifications

The Craftsman 139.18595 is a robust and reliable garage door opener that combines practicality with advanced technology, making it an ideal choice for homeowners. This model is designed to enhance convenience and security while ensuring smooth operation over time.

One of the standout features of the Craftsman 139.18595 is its powerful 1/2 horsepower motor. This motor provides sufficient power to lift even the heaviest of garage doors, making it a great option for homeowners with larger or heavier doors. The opener operates quietly, reducing noise disturbances, particularly when the door is in use early in the morning or late at night.

In terms of technology, the Craftsman 139.18595 is equipped with a reliable belt drive system. This feature not only contributes to its quiet operation but also ensures longevity and minimal maintenance. Unlike chain-driven models, the belt drive system reduces wear and tear, making it an ideal option for those looking for a long-term investment.

The garage door opener comes with a suite of safety features, including the photo-eye sensor technology. This system detects objects in the door's path, automatically reversing its direction to prevent accidents. This feature is particularly useful for families with pets or small children, providing added peace of mind during operations.

Additionally, the Craftsman 139.18595 offers modern connectivity options. It is compatible with many smartphone apps, allowing users to control and monitor their garage door remotely. This smart technology adds convenience, enabling homeowners to open or close their garage door from virtually anywhere.

Installation of the Craftsman 139.18595 is straightforward, thanks to its user-friendly design and comprehensive instruction manual. Whether you are a seasoned DIY enthusiast or new to home improvement projects, you can set up the opener with relative ease.

In summary, the Craftsman 139.18595 stands out for its powerful motor, quiet belt drive system, advanced safety features, and smart connectivity options. This garage door opener not only enhances the functionality and security of your home but also embodies the quality and craftsmanship that the Craftsman brand is known for.

Craftsman 139.18595 owner manual Fasten the Rail to the Motor Unit, Install the Idler Pulley

Models: 139.18595

ASSEMBLY STEP 2